SYMMETRIC POSITIVE SOLUTIONS FOR SECOND ORDER BOUNDARY VALUE PROBLEMS WITH INTEGRAL BOUNDARY CONDITIONS ON TIME SCALES
2012 ◽
Vol 219
(8)
◽
pp. 3553-3564
◽
2013 ◽
Vol 2013
(1)
◽
2010 ◽
Vol 233
(8)
◽
pp. 1915-1926
◽