@article{TRSPY_1993_204_a3,
     author = {V. I. Burenkov and V. A. Gusakov},
     title = {On precise constants in {Sobolev} imbedding {theorems.~III}},
     journal = {Informatics and Automation},
     pages = {68--80},
     publisher = {mathdoc},
     volume = {204},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1993_204_a3/}
}