@article{INTO_1999_67_a3,
     author = {L. A. Beklaryan},
     title = {Group singularities of differential equations with deviating argument, and related metric invariants},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {161--182},
     publisher = {mathdoc},
     volume = {67},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_1999_67_a3/}
}