Certain properties of the spaces $W_p^{(r)}(\Omega)$ and $W_p^{(r,r)}(\Omega)$ for $0$
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Investigations in the theory of differentiable functions of many variables and its applications, Tome 77 (1965), pp. 72-88
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@article{TM_1965_77_a5,
author = {V. I. Burenkov},
title = {Certain properties of the spaces $W_p^{(r)}(\Omega)$ and $W_p^{(r,r)}(\Omega)$ for $0<r<1$},
journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
pages = {72--88},
year = {1965},
volume = {77},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TM_1965_77_a5/}
}
V. I. Burenkov. Certain properties of the spaces $W_p^{(r)}(\Omega)$ and $W_p^{(r,r)}(\Omega)$ for $0