000 00297nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a516
082 _bF43P
100 _a"Fetisov, A.I"
245 0 _aProof In Geometry
260 _aMoscow
260 _bM.P
260 _c1982
300 _a61
999 _c23764
_d23764