@article{MZM_1991_50_5_a6,
     author = {A. A. Kosmodem'yanskii (Jr.)},
     title = {Isoperimetric estimates of the second boundary value problem for the {Poisson} equation},
     journal = {Matemati\v{c}eskie zametki},
     pages = {48--53},
     publisher = {mathdoc},
     volume = {50},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_5_a6/}
}