@article{ZNSL_2018_467_a3,
     author = {M. G. Grigoryan},
     title = {On the absolute convergence of {Fourier--Haar} series in the metric of $L^p(0,1)$, $0<p<1$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {34--54},
     publisher = {mathdoc},
     volume = {467},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_467_a3/}
}