000 00331nam a2200145Ia 4500
008 160615s9999 xx 000 0 und d
100 _aGAVRILOV(G P)
245 _aSelected problems in dicrete mathematics
260 _bMir
260 _c1989
300 _a414p p.
942 _cBooks
999 _c18120
_d18120