@article{TIMM_2010_16_4_a1,
     author = {R. R. Akopyan},
     title = {Approximation of the {Hardy--Sobolev} class of functions analytic in a~half-plane by entire functions of exponential type},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {18--30},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2010_16_4_a1/}
}