000 00289 a2200121 4500
035 _a
090 _c3588
_d3588
100 _aShervatov, V.G
245 _aHyperbolic Functions
_cV.G. Shervatov
260 _aBoston
_bD.C. Heath and Company
_c1963
300 _a55 p
_c20 cm
942 _aIMAR
_cCART
999 _c3466
_d3466