@article{VMUMM_1987_2_a17,
     author = {L. R. Pi\~neiro-D{\'\i}az},
     title = {On simultaneous approximations for some collection of {Markov} functions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {67--70},
     publisher = {mathdoc},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1987_2_a17/}
}