A generalization of the monotone iterative technique for nonlinear second order periodic boundary value problems
1990 ◽
Vol 151
(1)
◽
pp. 181-189
◽
2010 ◽
Vol 2010
(1)
◽
pp. 620459
◽
1997 ◽
Vol 28
(6)
◽
pp. 983-997
◽