@article{VMUMM_1992_4_a5,
     author = {N. S. Vyacheslavov},
     title = {Rational approximations of functions that are analytic in an angle},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {53--60},
     publisher = {mathdoc},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_4_a5/}
}