@article{DE_2000_36_12_a4,
     author = {I. S. Lomov},
     title = {A {Generalized} {Bessel} {Inequality} for {Ordinary} {Differential} {Operators} with {Nonsmooth} {Coefficients} and a {Generalization} of the {Riesz} {Theorem}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1621--1630},
     publisher = {mathdoc},
     volume = {36},
     number = {12},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_12_a4/}
}