01555nas a2200301 a 4500001001200000003000800012005001700020007000300037008004100040022001400081024002000095024002500115035002000140040000900160044001300169080000700182222003900189245003900228260004600267264042600313264004200739710003400781767007300815785006400888776006800952856010201020856013101122itacnp53265IT-ACNP20260402070000.0ta920519 19671992usab  p             engta  a0025-57267 aP 000801652CNR7 aitacnp532652IT-ACNP  a(ISSN)0025-5726  aacnp  ausacUSA  a51 0aMathematics of the USSR. Izvestija00aMathematics of the USSR. Izvestija  aProvidencebAmerican Mathematical Society 2cData export is allowed to ACNP participating libraries for institutional purposes and to individuals for personal, non-commercial uses only. Please contact the Bologna University ACNP Team ( acnp.sba.unibo.it/chi-siamo/staff-acnp ) to request permission to use exported data outside the scope of the above license, including but not limited to republication to a group or republishing the website or parts of the website. 4bUniversità di Bolognaccopyright20260 aAmerican Mathematical Society0 tIzvestiâ Akademii Nauk SSSR. Seriâ matematiceskaâw272x0373-243610tRussian Academy of Sciences. Izvestiya. Mathematicsw9163871 tMathematics of the USSR. Izvestija (Online)w2792973x2169-507540aacnp.unibo.itnACNP Italian Union Catalogue of Serialsuhttps://acnpsearch.unibo.it/journal/5326540aacnp.sba.unibo.it/nARPAC Area Patrimonio Culturale - Università di Bolognamacnp.support@unibo.ituhttps://acnp.sba.unibo.it