TY - JOUR AU - Ženíšek, Alexander TI - On a generalization of Nikolskij's extension theorem in the case of two variables JO - Applications of Mathematics PY - 2003 SP - 367 EP - 404 VL - 48 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1023/B:APOM.0000024482.61562.2b/ DO - 10.1023/B:APOM.0000024482.61562.2b LA - en ID - 10_1023_B_APOM_0000024482_61562_2b ER -