000 00235nam a2200097Ia 4500
008 220816s9999||||xx |||||||||||||| ||und||
020 _a3540170073
245 0 _aToplogy I
_cNovikov, S.P.
260 _aBerlin:
_bSpringer,
_c1996
300 _a-
999 _c3390
_d3390