Pontryagin, L. S. Ordinary differential equations. Translated from the Russian by L.Kacinskas and W.B.Counts. (English) Zbl 0112.05502 Adiwes International Series in Mathematics. Reading, Mass. etc.: Addison- Wesley Publishing Company; London-Paris: Pergamon Press. VI, 298 p. (1962). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 342 Documents Keywords:ordinary differential equations PDF BibTeX XML OpenURL