00304nam a2200121Ia 4500082001900000100001800019245005100037250000900088260004800097300002700145500000500172700000500177  a515.5bW338.TT  aWatson, G. N.  aA treatise on the theory of Bassel functionsb  a2nd.  aCambridgebCambridge University Pressc1980  avi, 804p. Index. Bibl.  a  a