000 00463pam a2200169a 44500
008 160408b1970 xxu||||| |||| 00| 0 eng d
082 _a515.3
_bEL76
100 _aElsgolts, L.
245 1 _aDIFFERENTIAL EQUATIONS AND THE CALCULUS OF VARIATIONS
260 _aMoscow
_bMir Publishers
_c1970
300 _a440
650 _aDifferential Equations
650 _aCalculus Of Variations
700 _aYankovsky, George
964 _gCIRC
997 _aA23508 C
999 _c257236
_d257236