000 00263 a2200097 4500
001 23992
100 _aFeshchenks, S.F
245 _aAsymptotic methods in the theory of linear differential equations
260 _a
_bAmerican Elsevier
_c1967
090 _c16234
_d16234
942 _aNUST-CAE
_cM
_c6930
999 _c259065
_d259065