@article{DE_1975_11_9_a14,
     author = {J. V. Rybalov},
     title = {Estimation of the derivative of a function in terms of derivatives of higher order; application to the solvability of the first homogeneous boundary value problem for a linear nonregular elliptic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1664--1677},
     publisher = {mathdoc},
     volume = {11},
     number = {9},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_9_a14/}
}