@article{TM_1995_211_a1,
     author = {N. V. Azbelev and L. F. Rakhmatullina},
     title = {De la {Vall\'ee} {Poussin} theorem on the differential inequality for equations with an aftereffect},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {32--39},
     publisher = {mathdoc},
     volume = {211},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1995_211_a1/}
}