@article{DE_1981_17_12_a4,
     author = {N. La\v{z}eti\'c},
     title = {On the convergence of spectral decompositions corresponding to a nonnegative selfadjoint extension of the {Sturm--Liouville} operator for functions from the class $H_p^\alpha$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2149--2159},
     publisher = {mathdoc},
     volume = {17},
     number = {12},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_12_a4/}
}