@article{DAN_1958_118_3_a7,
     author = {Z. I. Rekhlitskii},
     title = {Boundedness tests for solutions of linear differential equations with variable lag of argument},
     journal = {Doklady Akademii Nauk},
     pages = {447--449},
     publisher = {mathdoc},
     volume = {118},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_118_3_a7/}
}