About author: ZHANG Xing-qiu(1975- ), male, native of Jining, Shandong, Ph.D., an associate professor of
Liaocheng University, engages in nonlinear functional analysis.
ZHANG Xing-qiu. Existence of Positive Solution for Superlinear Semipositone Singular Second-order m-point Boundary Value Problem[J]. Chinese Quarterly Journal of Mathematics, 2010, 25(1): 151-158.