000 00309nam a2200109 4500
008 160616s 000 0
245 _aIsoperimetric inequalities in the theory of surfaces of bounded external curvature
100 _aBurago, Yu D
500 _aB622 L0
942 _cBK
_2BK3351
080 _a514.144 BUR
999 _c3351
_d3351