000 00280nam a2200109 4500
008 160616s 000 0
245 _aTopics in the theory of surfaces in elliptic spaces
100 _aPogorelov, A.V
500 _aB6M3 K0
942 _cBK
_2BK3399
080 _a514.144 POG
999 _c3399
_d3399