@article{IVM_1965_2_a19,
     author = {E. A. Sinev},
     title = {Simultaneous orthogonality of functions on a~region and on its boundary},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {158--160},
     publisher = {mathdoc},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1965_2_a19/}
}