%0 Journal Article %T Multiple positive doubly periodic solutions for a singular semipositone telegraph equation with a parameter %A Fanglei Wang and Yukun An %J Boundary Value Problems %D 2013 %I %R 10.1186/1687-2770-2013-7 %X MSC: 34B15, 34B18. %K semipositone telegraph equation %K doubly periodic solution %K singular %K cone %K fixed point theorem %U http://www.boundaryvalueproblems.com/content/2013/1/7/abstract