(NsPEKTRALXNAQ TEORIQ DIFFERENCIALXNYH OPERATOROW (B:s (NsAMOSOPRQVENNYE DIFFERENCIALXNYE OPERATORY (B/s - (NiLXIN(B, (NwLADIMIR aLEKSANDROWI^s ((NmOSKWA (B:s (NnAUKA(B. (NgL(B. (NRED(B. (NFIZ(B.-(NMAT(B. (NLIT(B.,s, 1991)
(NbIBLIOGR(B.: (NS(B. 359-364s
Keywords: (NoPERATORY (B((NMAT(B.) (NDIFFERENCIALXNYE (B- (NsPEKTRALXNAQ TEORIQs