@article{DEMR_2014_2_a7,
     author = {E. I. Abduragimov},
     title = {Positive solutions of boundary value problems for nonlinear differential equations},
     journal = {Daghestan Electronic Mathematical Reports},
     pages = {101--115},
     publisher = {mathdoc},
     volume = {2},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DEMR_2014_2_a7/}
}