000
00272nam a2200097Ia 4500
008
140917b1962 xxu||||| |||| 00| 0 eng d
082
_a
515.352 PON
100
_a
Pontryagin, L. S.
245
_a
Ordinary differential equations
260
_a
Reading :
_b
Addison Wesley,
_c
1962
999
_c
180982
_d
180982