@article{IJOPCM_2009__2_4_231036,
     author = {Li, Meiqiang and Feng, Xianggui and Xue, Chunyan},
     title = {Multiple positive solutions for impulsive singular boundary value problems with integral boundary conditions.},
     journal = {International journal of open problems in computer science and mathematics},
     pages = {546},
     year = {2009},
     volume = {2},
     number = {4},
     zbl = {1210.34033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_4_231036/}
}