TY - JOUR AU - Li, Meiqiang AU - Feng, Xianggui AU - Xue, Chunyan TI - Multiple positive solutions for impulsive singular boundary value problems with integral boundary conditions. JO - International Journal of Open Problems in Computer Science and Mathematics. IJOPCM PY - 2009 SP - 546 VL - 2 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_4_231036/ LA - en ID - IJOPCM_2009__2_4_231036 ER -