@article{DAN_1974_215_3_a0,
     author = {P. G. Aizengendler and A. F. Alekseev},
     title = {On the stability of the zero solution of quasi-linear differential - difference equations with periodic coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {505--508},
     publisher = {mathdoc},
     volume = {215},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_3_a0/}
}