Ważewski, T. Sur les intégrales premières de l’équation \(P(x,y)\,dx+Q(x,y)\,dy=0\). (French) Zbl 0013.35102 Mathematica, Cluj 9, 179-181 (1935). Reviewer: E. Kamke (Tübingen) Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 34C05 Topological structure of integral curves, singular points, limit cycles of ordinary differential equations Keywords:ordinary differential equations Citations:Zbl 0013.26404 PDFBibTeX XMLCite \textit{T. Ważewski}, Mathematica, Cluj 9, 179--181 (1935; Zbl 0013.35102)