01100nam a2200325 i 450099100114921970753620020507111926.0970308s1990 ||| ||| | eng 9971509814b10180497-39ule_instLE00642962ExLDip.to Fisicaita53.3.153.3.11510.20QC794.6.S85Knizhnik, Vadim61476Physics and mathematics of strings :memorial volume for Vadim Knizhnik /L. Brink, D. Friedan, A.M. Polyakov (eds.)Singapore :World Scientific,1990xii, 595 p. :ill. ;23 cm.String modelsBrink, L.Friedan, D.Polyakov, A.M..b1018049721-09-0627-06-02991001149219707536LE006 53.3.11 BRI12006000049054le006-E0.00-l- 00000.i1022144x27-06-02Physics and mathematics of strings188964UNISALENTOle00601-01-97ma -engxx 01