@article{DAN_1971_199_5_a9,
     author = {R. S. Saks},
     title = {On the boundary value problems for the system $\operatorname{rot} u+\lambda u=h$},
     journal = {Doklady Akademii Nauk},
     pages = {1022--1025},
     publisher = {mathdoc},
     volume = {199},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_5_a9/}
}