@article{DE_1989_25_7_a0,
     author = {A. T. Bulabaev and M. Otelbaev and L. A. Shuster},
     title = {Properties of {Green's} function of the {Sturm--Liouville} operator and their applications},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1107--1114},
     publisher = {mathdoc},
     volume = {25},
     number = {7},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_7_a0/}
}