000 00326nam a2200133Ia 4500
001 12008
008 170722s9999 xx 000 0 und d
100 _aKagan, V.
245 _aN Lobachevsky and his contribution to science tr by B Katah /
260 _c1957.
653 _aBiography
653 _aMathematics
942 _cGEN
999 _c85273
_d85273