Main publications:

• Portyanko, Nikolai Aleksandrovich. K ustoichivosti reshenii lineinykh uravnenii v polnykh proizvodnykh. - Minsk : In-t matematiki, 1979. - 21 s.; 20 sm. - (Preprint / AN BSSR. In-t matematiki; # 16 (72)).

Publications in Math-Net.Ru

Personal pages:

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Organisations:

• Institute of Mathematics, Academy of Sciences Byelorussian SSR