@article{DE_1968_4_10_a1,
     author = {I. T. Kiguradze},
     title = {Some singular boundary value problems for second order nonlinear ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1753--1773},
     publisher = {mathdoc},
     volume = {4},
     number = {10},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_10_a1/}
}