01133nam a2200313 i 450099100121298970753620020507185334.0941209s1962 us ||| | eng b10816380-39ule_instLE01308774ExLDip.to Matematicaeng510AMS 34-XXAMS 34AAMS 34CAMS 34DCounts, Walter B.49881Ordinary differential equations /L. S. Pontryagin ; translated from the russian by Leonas Kacinskas and Walter B. CountsReadind, MA :Addison-Wesley,c1962vi, 298 p. ;23 cm.Adiwes international series in mathematicsOrdinary differential equationsKacinskas, Leonas.b1081638023-02-1728-06-02991001212989707536LE013 34-XX PON11 (1962:ADDISON)12013000016498le013-E0.00-l- 00000.i1092305628-06-02Ordinary differential equations925174UNISALENTOle01301-01-94ma -engus 01