@article{TIMM_2016_22_4_a2,
     author = {G. A. Akishev},
     title = {On approximation orders of functions of several variables in the {Lorentz} space},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {13--28},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2016_22_4_a2/}
}