... Corporation Boundary Value ProblemsVolume 2009, Article ID 273063, 18 pagesdoi:10.1155/2009/273063 Research Article Positive Solutions for a Class of Coupled System of Singular Three-Point Boundary Value ... H. L¨u, H. Yu, and Y. Liu, Positive solutions for singular boundary value problems of a coupled system of differential equations,” Journal of Mathematical Analysis and Applications, vol. 302, ... ProblemsNaseer Ahmad Asif and Rahmat Ali KhanCentre for Advanced Mathematics and Physics, Campus of College of Electrical and MechanicalEngineering, National University of Sciences and Technology,...