PKK Library Search for 'pb:Gordon And Breach and au:Pontryagin, Lev Semenovich'

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By Pontryagin, Lev Semenovich. New York Gordon And Breach 1966 . 543p , Translation of nepreryvnye gruppy

By Pontryagin, Lev Semenovich. New York Gordon And Breach 1986 . 4v. (various pagings)

By Pontryagin, Lev Semenovich. New York Gordon And Breach 1986 . 4v. (various pagings).

By Pontryagin, Lev Semenovich. New York Gordon And Breach 1986 . 4v. (various pagings).

By Pontryagin, Lev Semenovich. New York Gordon And Breach 1986 . 4v. (various pagings)