Higher-Order Differential Equations with Variable Coefficients
2004 ◽
pp. 240-296
2000 ◽
Vol 50
(1)
◽
pp. 155-173
◽
Keyword(s):
2004 ◽
Vol 24
(1)
◽
pp. 52-60
◽
1987 ◽
Vol 20
(9)
◽
pp. 2333-2345
◽
2007 ◽
Vol 23
(1-2)
◽
pp. 167-182
◽
Keyword(s):