000 00400nam a2200145Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aMATH QA342.S478
100 1 0 _aShervaton, V. G.
_eAuthor
245 1 0 _aHyperbolic functions
_cV. G. Shervaton
260 _aBoston
_bD. C. Heath and Company
_c1963
300 _a55p.
_c20cm.
650 _aExponential functions
942 _2lcc
_cBK
999 _c68695
_d68695