@article{DE_1966_2_2_a1,
     author = {N. E. Tovmasyan},
     title = {A general boundary value problem for elliptic systems of second order with constant coefficients. {II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {163--171},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_2_a1/}
}