000 00355pam a2200145a 44500
005 20170124153556.0
008 160408b1972 xxu||||| |||| 00| 0 eng d
040 _cIITK
041 _aeng
082 _a530.13
_bH18
100 _aBogolyubov, N.N.
245 1 _aA METHODS FOR STUDYING MODEL HAMILTONIANS
260 _bPergamon Press
_c1972
942 _cBK
999 _c243022
_d243022