@article{AA_2011_23_1_a1,
     author = {A. Brudnyi and Yu. Brudnyi},
     title = {Traces of $C^k$ functions to weak {Markov} subsets of~$\mathbb R^n$},
     journal = {Algebra i analiz},
     pages = {61--86},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2011_23_1_a1/}
}