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This category marks all the ICTP posts containing the pdf file of the paper/book.

Some properties of conics and quadrics

1 year ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Quelques propriétés des coniques et des quadriques, în “Mathesis”, t.XLVI,…

Existence theorems regarding a functional equation by E. Picard

1 year ago

Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Teoreme de existenţă în legătură cu o ecuaţie funcţională…

Professor Theodor Angheluţă on the occasion of his 75th birthday

1 year ago

Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Profesorul Theodor Angheluţă cu ocazia împlinirii vârstei de 75…

On a class of cubature formulas

1 year ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Sur une classe de formules de cubature. C. R. Acad. Sci. Paris…

On the characteristic function and the resolving kernel of a given kernel

1 year ago

Original title (in French)Sur la fonction caractéristique et le noyau résolvant d’un noyau donné Abstract AuthorsDumitru V. Ionescu Dumitru V.…

Some existence theorems of integrals of systems of differential equations

1 year ago

Original title (in French)Quelques théorèmes d’existence des intégrales des systèmes d’équations différentielles Abstract AuthorsD.V. Ionescu Dumitru V. Ionescu (1901-1985) Keywords?…

On Lord Kelvin’s theorem

1 year ago

Original title (in French)Sur théorème de Lord Kelvin Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Sur théorème…

On a system of second-order partial differential equations

1 year ago

Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, On a system of second-order partial differential equations, (French) Mathematica,…

On a problem relating to second-order partial differential equations

1 year ago

Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu KeywordsPDFhttps://ictp.acad.ro/wp-content/uploads/2025/10/1927-IonescuDV-Sur-un-problem-relatif-aux-equations-aux-derivees-partielles-du-second-ordre-Bull.Soc_.Math_.pdf Paper coordinatesD.V. Ionescu, Sur un problem relatif aux equations aux derivees partielles…

On a remark by D. Pompeiu

1 year ago

Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, On a remark by D. Pompeiu, (in French) Bull. de mathém.…

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