@article{IVM_2010_2_a4,
     author = {V. P. Kurdyumov and A. P. Khromov},
     title = {The {Riesz} bases consisting of eigen and associated functions for a~functional differential operator with variable structure},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {39--52},
     publisher = {mathdoc},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2010_2_a4/}
}