00856nam0-22002771i-450-990001246730403321000124673FED01000124673(Aleph)000124673FED0100012467320000920d1967----km-y0itay50------baengLinear Differential Operatorsby NAIMARK M.A.London [etc.]George G. Harrap1967PART. I : ELEMENTARY THEORY OF LINEAR DIFFE RENTIAL OPERATORS WITH ADDITIONAL MATERIAL BY THE AUTHOR.Operatori lineariNajmark,Mark Aronovic<1909-1978>52474ITUNINARICAUNIMARCBK9900012467304033216-F-3611411MA1MA147AXXLineinye differentsial'nye operatory48973UNINAING01