@article{TM_1975_134_a4,
     author = {Ya. S. Bugrov},
     title = {Conditions for the uniform boundedness of trigonometric polynomials in the $L$-metric},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {31--37},
     publisher = {mathdoc},
     volume = {134},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_134_a4/}
}