@article{CMFD_2004_8_a0,
     author = {L. A. Beklaryan},
     title = {Introduction to the theory of functional differential equations and their applications. {Group} approach},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {3--147},
     year = {2004},
     volume = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2004_8_a0/}
}