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,…
works
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.…
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 AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Sur une équation aux dérivées partielles du troisième ordre,…
Remarks on a singular integral equation by M. E. Picard
Abstract AuthorsDumitru V. Ionescu Dumitru V. Ionescu Keywords? Paper coordinatesD.V. Ionescu, Remarks on a singular integral equation by M. E. Picard,…