On the characteristic function and the resolving kernel of a given kernel
Original title (in French)Sur la fonction caractéristique et le noyau résolvant d’un noyau donné Abstract AuthorsD.V. Ionescu Institutul de Calcul…
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Some existence theorems of integrals of systems of differential equations
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
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
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, On a system of second-order partial differential equations, (French) Mathematica, 3…
On a problem relating to second-order partial differential equations
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywordshttps://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 du…
Some curves that generalize conics
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Some curves that generalize conics, C.R. Acad. Sc. Paris, t. 194,…
Fuchs’s theorem
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Fuchs’s theorem, (in French) Bull. mathèm. de la Soc. roum. des…
Some properties of conics and quadrics
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Some properties of conics and quadrics, Mathesis, t. XLVI, nr. 9,…
On a third-order partial differential equation
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, On a third-order partial differential equation, Bull. de la Soc. mathém.…
Remarks on a singular integral equation by M. E. Picard
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Remarks on a singular integral equation by M. E. Picard, C.R.…