01396nam2-2200385li-450 99000021720020331620180312154736.03-540-06264-50021720USA010021720(ALEPH)000021720USA01002172020001109d1973----km-y0itay0103----baengGWPertubations singulières dans les problèmes aux limites et en controle optimalJ. L. LionsBerlin [etc.]Springer-Verlagcopyr. 1973XII, 645 p.ill.23 cmLecture notes in mathematics32300100212632001Lecture notes in mathematicsa collection of informal reports and seminarsedited by A. Dold, Heidelberg and B. Eckmann, Zürichcalcolo differenzialeperturbazione (matematica)51535Equazioni differenzialiLions,Jacques Louis20991Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990000217200203316510 LNM (323)0020025BKSCI1997042820001110USA01171420020403USA011630PATRY9020040406USA011616Pertubations singulières dans les problèmes aux limites et en controle optimal1502097UNISA