01482nas a2200277 a 4500001001300000003000800013005001700021007000300038008004100041024002000082024002600102040000900128044001300137080000700150222005600157245005600213260002300269264042600292264004200718710003400760767007300794780005700867785004600924856010300970856013101073itacnp916387IT-ACNP20250123070000.0ta960229 19931995usa   p             engta7 aP 001100552CNR7 aitacnp9163872IT-ACNP  aacnp  ausacUSA  a51 0aRussian Academy of Sciences. Izvestiya. Mathematics00aRussian Academy of Sciences. Izvestiya. Mathematics  aProvidenceb[s.n.] 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 matematiceskaâw272x0373-24361 tMathematics of the USSR. Izvestijaw53265x0025-572610tIzvestiya. Mathematicsw928463x1064-563240aacnp.unibo.itnACNP Italian Union Catalogue of Serialsuhttps://acnpsearch.unibo.it/journal/91638740aacnp.sba.unibo.it/nARPAC Area Patrimonio Culturale - Università di Bolognamacnp.support@unibo.ituhttps://acnp.sba.unibo.it