On a class of functional equations
Original title (in French)Sur une classe d’équations fonctionnelles Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Sur…
works
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 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
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
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, On a remark by D. Pompeiu, (in French) Bull. de mathém.…
A problem of differential geometry
Abstract AuthorsD.V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, A problem of differential geometry, Bull. scient. Éc. polyt. de Timişoara,…
Some curves that generalize conics
Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Some curves that generalize conics, C.R. Acad. Sc. Paris, t.…
Two theorems on an integro-differential equation
Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Two theorems on an integro-differential equation, Bull. de l’Acad. royale…
Fuchs’s theorem
Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Fuchs’s theorem, (in French) Bull. mathèm. de la Soc. roum.…