@article{ISU_2014_14_4_a11,
     author = {V. S. Rykhlov and O. V. Blinkova},
     title = {On {Multiple} {Completeness} of the {Root} {Functions} of a {Certain} {Class} of {Pencils} of {Differential} {Operators} with {Constant} {Coefficients}},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {574--584},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2014_14_4_a11/}
}