000 00320nam a2200121Ia 4500
008 160710s1962 xx 000 0 und d
082 _a517.38 PON
100 _aPONTRYAGIN,L.S.
245 _aORDINARY DIFFERENTIAL EQUATIONS
260 _bADDISON WESLEY PUBLISHING COMPANY, INC.
_c1962
300 _a298
942 _2ddc
_cB
999 _c34928
_d34928