@article{DE_2005_41_5_a5,
     author = {I. S. Lomov},
     title = {Convergence of {Biorthogonal} {Expansions} of {Functions} on an {Interval} for {Higher-Order} {Differential} {Operators}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {632--646},
     publisher = {mathdoc},
     volume = {41},
     number = {5},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_5_a5/}
}