@article{FAA_2002_36_2_a2,
     author = {G. A. Kalyabin},
     title = {The {Best} {Extension} {Operators} for {Sobolev} {Spaces} on the {Half-Line}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {28--37},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2002_36_2_a2/}
}