01098nam2-2200349li-450 99000322447020331620180918155415.00-8176-3354-5000322447USA01000322447(ALEPH)000322447USA010003224472002009041987-------y0itay0103----bafreUSAutour de l'approximation semi-classiqueDidier RobertBoston [etc.]Birkäusercopyr. 1987IX, 328 p.24 cmProgress in mathematics680010003344522001Progress in mathematics68Operatori autoaggiunti515.724ROBERT,Didier350119Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990003224470203316510 PIM 6826881/CBS51000111861BKSCIRSIAV79020090422USA011154RSIAV79020091105USA010845Autour de l'approximation semi-classique384906UNISA