@article{IVM_2008_5_a2,
     author = {L. D. Gogoladze and V. Sh. Tsagareishvili},
     title = {Absolute convergence of {Fourier--Haar} series of functions of two variables},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {14--25},
     publisher = {mathdoc},
     number = {5},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2008_5_a2/}
}