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@article{MV_1965_17_4_a4, author = {O. P. Goyal}, title = {Lacunary {Fourier} series}, journal = {Matemati\v{c}ki vesnik}, pages = {251 }, publisher = {mathdoc}, volume = {17}, number = {4}, year = {1965}, url = {http://geodesic.mathdoc.fr/item/MV_1965_17_4_a4/} }
O. P. Goyal. Lacunary Fourier series. Matematički vesnik, Tome 17 (1965) no. 4, p. 251 . http://geodesic.mathdoc.fr/item/MV_1965_17_4_a4/