@article{TRSPY_1969_105_a3,
     author = {V. I. Burenkov},
     title = {Additivity of the spaces $W_{p}^{r}$ and $B_{p}^{r}$, and embedding theorems for domains of general form},
     journal = {Informatics and Automation},
     pages = {30--45},
     publisher = {mathdoc},
     volume = {105},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1969_105_a3/}
}