@article{DE_1966_2_11_a4,
     author = {V. S. Bezdomnikov and I. N. Inozemceva},
     title = {On the question of estimating the non-oscillation interval for a linear differential equation of third order},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1444--1448},
     publisher = {mathdoc},
     volume = {2},
     number = {11},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_11_a4/}
}