Asymptotic Distribution of Eigenvalues and Eigenfunctions for Non-Local Elliptic Boundary Value Problems, I
1966 ◽
Vol 122
(2)
◽
pp. 516-516
◽
1995 ◽
Vol 75
(3)
◽
pp. 1646-1671
◽
2008 ◽
Vol 11
(4-6)
◽
pp. 273-291
◽
1976 ◽
Vol 14
(3)
◽
pp. 471-472
2006 ◽
Vol 58
(2)
◽
pp. 244-262
◽