000 00323 a2200109 4500
999 _c125671
_d125671
100 _aPontriagin, L. S.
245 _aA Course in Ordinary Differential Equation
260 _aDelhi:
_bHindustan Publishing Corporation;
_c1967.
300 _ax, 333p.
_c24 cm
500 _aincludes index
650 _alinear, variables, stability