Pawelski, W. On a case of mixed inequalities between solutions of first order partial differential equations. (English) Zbl 0156.32402 Ann. Pol. Math. 20, 95-102 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:partial differential equations PDFBibTeX XMLCite \textit{W. Pawelski}, Ann. Pol. Math. 20, 95--102 (1968; Zbl 0156.32402) Full Text: DOI