@article{DE_2005_41_6_a1,
     author = {V. A. Vinokurov},
     title = {The {Eigenvalue} and the {Eigenfunction} of the {Sturm--Liouville} {Problem} {Treated} as {Analytic} {Functions} of the {Integrable} {Potential}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {730--738},
     publisher = {mathdoc},
     volume = {41},
     number = {6},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_6_a1/}
}