@article{MZM_1998_63_4_a0,
     author = {L. A. Beklaryan},
     title = {Specific group properties of differential equations with deviating argument. {Introduction} to the linear theory},
     journal = {Matemati\v{c}eskie zametki},
     pages = {483--493},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_4_a0/}
}