000 00608cam a2200157 4500
008 720118s1970 rura b 001 0 eng
080 _a517.97
_bELS
100 1 _aElsgolts, L.
_93399
245 1 0 _aDifferential equations and the calculus of variations
_c[by] L. Elsgolts. Translated from the Russian by George Yankovsky.
260 _aMoscow,
_bMir Publishers,
_c1970.
300 _a440 p. with diagrs.
500 _aTranslation of Different͡s︡ialʹnye uravnenii͡a︡ i variat͡s︡ionnoe ischislenie.
650 0 _aDifferential equations.
650 0 _aCalculus of variations.
_93101
942 _cBK
999 _c162336
_d162336