@article{10_1023_B_APOM_0000024482_61562_2b,
     author = {\v{Z}en{\'\i}\v{s}ek, Alexander},
     title = {On a generalization of {Nikolskij's} extension theorem in the case of two variables},
     journal = {Applications of Mathematics},
     pages = {367--404},
     publisher = {mathdoc},
     volume = {48},
     number = {5},
     year = {2003},
     doi = {10.1023/B:APOM.0000024482.61562.2b},
     mrnumber = {2008890},
     zbl = {1099.46022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/B:APOM.0000024482.61562.2b/}
}