Boundary Value Problems for Second and Higher Order Differential Equations
1991 ◽
Vol 113
(3)
◽
pp. 761
◽
2007 ◽
Vol 23
(1-2)
◽
pp. 167-182
◽
2007 ◽
Vol 24
(1-2)
◽
pp. 231-243
◽
1975 ◽
Vol 18
(1)
◽
pp. 188-201
◽
1991 ◽
Vol 113
(3)
◽
pp. 761-761
◽
2013 ◽
Vol 18
(3)
◽
pp. 309-324
◽
2016 ◽
Vol 5
(4)
◽
pp. 195-214
◽