@article{RM_1975_30_4_a11,
     author = {I. V. Kamenev},
     title = {The integral comparison and the disconjugacy of the solutions of second order linear equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1975_30_4_a11/}
}