@article{FAA_1998_32_3_a13,
     author = {S. I. Yakovlev},
     title = {On the {Singular} {Spectrum} of the {Friedrichs} {Model} {Operators} in a {Neighborhood} of a {Singular} {Point}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {91--94},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1998_32_3_a13/}
}