000 00302nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a360279
082 _a510.5
_bRUS
245 0 _aRussian Methematical Surveys
260 _bThe British Library and London Mathematical Society
_aLondon
942 _cPRBP
999 _c188411
_d188410