@article{CMFD_2008_30_a0,
     author = {V. V. Vlasov and D. A. Medvedev},
     title = {Functional-differential equations in {Sobolev} spaces and related problems of spectral theory},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {3--173},
     publisher = {mathdoc},
     volume = {30},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2008_30_a0/}
}