@article{FUNDAM_1947__34_1_213128,
     author = {K. Sok\'o{\l}-Soko{\l}owski},
     title = {On trigonometric series conjugate to {Fourier} series of two variables},
     journal = {Fundamenta Mathematicae},
     pages = {166},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1947},
     zbl = {0033.11301},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/FUNDAM_1947__34_1_213128/}
}