@article{IVM_1986_9_a7,
     author = {L. G. Labsker},
     title = {On sufficient conditions for the noncontinuability of {Chebyshev} systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {45--58},
     publisher = {mathdoc},
     number = {9},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1986_9_a7/}
}