ԳԱԱ Ինստիտուտների համահավաք գրացուցակ = A short course in differential equations.
Rainville E.D.
A short course in differential equations. Rainville E.D. - New York MacMillan Co. 1958 - 269 p.
517.91/93(07)
A short course in differential equations. Rainville E.D. - New York MacMillan Co. 1958 - 269 p.
517.91/93(07)
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