000 00267nam a2200109 4500
008 160616s 000 0
245 _aSingularities of differentiable maps. v.1
100 _aArnold, V.I
500 _aB38:6 M5
942 _cBK
_2BK4163
080 _a517.53 ARN
999 _c4163
_d4163