@article{TRSPY_1965_77_a6,
     author = {E. A. Volkov},
     title = {Differentiability properties of solutions of boundary value problems for the {Laplace} and {Poisson} equations on a~rectangle},
     journal = {Informatics and Automation},
     pages = {89--112},
     publisher = {mathdoc},
     volume = {77},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_77_a6/}
}