Criterion for the basis property of the eigenfunction system of a multiple differentiation operator with an involution

Differential Equations - Tập 48 Số 8 - Trang 1112-1118 - 2012
Makhmud A. Sadybekov1, A. M. Sarsenbi1
1Institute for Mathematics, Computer Science, and Mechanics, Ministry of Education and Science, Almaty, Kazakhstan

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