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@article{MS_1967__115_1_a3, author = {{\CYRYU}.{\CYRA}. {\CYRB}{\cyrr}{\cyru}{\cyrd}{\cyrn}{\cyrery}{\cyrishrt}}, title = {{\CYRK}{\cyrr}{\cyri}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyri} {\cyrs}{\cyru}{\cyrshch}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh} {\cyrv} $L^p$}, journal = {Matemati\v{c}eskij sbornik}, pages = {42--64}, publisher = {mathdoc}, volume = {115}, number = {1}, year = {1967}, zbl = {0154.05502}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1967__115_1_a3/} }
Ю.А. Брудный. Критерии существования производных в $L^p$. Matematičeskij sbornik, Tome 115 (1967) no. 1, pp. 42-64. http://geodesic.mathdoc.fr/item/MS_1967__115_1_a3/