@article{MZM_1989_46_2_a8,
     author = {D. Nadzhmiddinov and Yu. N. Subbotin},
     title = {Markov inequalities for polynomials on triangles},
     journal = {Matemati\v{c}eskie zametki},
     pages = {76--82},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_2_a8/}
}