@article{DAN_1977_234_3_a6,
     author = {A. A. Krapivin and Yu. I. Lyubich},
     title = {Estimates of {Lipschitz} constants for polynomial operators in a simplex},
     journal = {Doklady Akademii Nauk},
     pages = {528--531},
     publisher = {mathdoc},
     volume = {234},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_3_a6/}
}