Posts by ictp

The problem nr. 5383 in Gazeta Matematic din anul 1940

Abstract AuthorsI. Maruşciac Institutul de Calcul Keywords? Paper coordinatesI. Maruşciac, Sur le problème no. 5383 de la Gazeta Matematic de l’année 1940. [La problema nr. 5383 din Gazeta Matematic din anul…

Properties of some special surfaces h(z)=f(x)+g(y)

Abstract AuthorsL. Bal Institutul de Calcul Keywords? Paper coordinatesL. Bal, Propriétés de certaines surfaces spéciales h(z)=f(x)+g(y). (Romanian) Acad. R. P. Romîne. Fil. Cluj. Stud. Cerc. Mat. 9 1958 39–44. PDFhttps://ictp.acad.ro/scm/journal/article/view/27/27 About this paperJournalStudii si…

Functional equations characterizing nomograms with three rectilinear scales

Abstract AuthorsF. Radó Institutul de Calcul Keywords? Paper coordinatesF. Radó, Équations fonctionnelles caracterisant les nomogrammes avec trois échelles rectilignes. (French) Mathematica (Cluj) 1 (24)1959 no. 1, 143–166. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/11/1959-Rado-Equationes-fonctionells.pdf About this paperJournalMathematica Cluj Publisher…

On some functional equations with several functions of two variables

Abstract AuthorsF. Radó, Institutul de Calcul Keywords? Paper coordinatesF. Radó, Sur quelques équations fonctionnelles avec plusieures fonctions à deux variables. (French) Mathematica (Cluj) 1 (24) 1959 321–339. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/11/1959-Rado-Sur-quelque-equationes.pdf About this paperJournalMathematica Cluj Publisher NamePublished…

On a theorem of the existence of periodic solutions

Abstract AuthorsI. Muntean Institutul de Calcul Keywords? Paper coordinatesI. Muntean, On a theorem of the existence of periodic solutions (Russian). Matematica, Cluj, 1, 1959, pag. 287-296. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/11/1959-Muntean.pdf About this paperJournalMathematica…