00970nam2-2200337li-450 99000019066020331620180312154845.02-87647-118-30019066USA010019066(ALEPH)000019066USA01001906620001109d1991----km-y0itay0103----bafreFRPhysiqueVol. 5.Copyr. 1991102 p00100190452001Encyclopédie des sciences mathématiques pures et appliquéesSistema bibliotecario di Ateneo dell' Università di SalernoRICA990000190660203316510 ENC 516410/S CBS51000108622BKSCI1995013120001110USA011713ALANDI9020010608USA01170320020403USA011626PATRY9020040406USA011614Physique103783UNISA