Solvability and asymptotic behavior of solutions of ordinary differential equations with variable operator coefficients
1978 ◽
Vol 66
(2)
◽
pp. 394-398
◽
2002 ◽
Vol 32
(1)
◽
pp. 51-78
◽
1971 ◽
Vol 47
(SupplementII)
◽
pp. 903-908
1971 ◽
Vol 47
◽
pp. 903-908
◽