000 00334nam a2200145 4500
008 160616s1977 000 0
245 _aProblems in theoretical physics
100 _aGrechko, L.G
260 _aMoscow
260 _bMir publishers
260 _c1977
300 _a447
942 _cBK
_2BK25356
080 _a53.01 GRE
999 _c25356
_d25356