01381nam2-2200397li-450 99000019590020331620240621135051.03-540-06442-70019590USA010019590(ALEPH)000019590USA01001959020001109d1975----km-y0itay0103----baengGWApproximation of functions of several variables and imbedding theoremsS. M. Nikol'skiiBerlin [etc.]Springer-Verlagcopyr. 1975VIII, 420 p.ill.23 cm<<Die>> Grundlehren der mathematischen Wissenschaften2050010003168452001<<Die>> Grundlehren der Mathematischen Wissenschaften205Approssimazione <<matematica>>BNCFFunzioniBNCF515.7NI(KOL'SKII,S. M.754461Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990000195900203316510 GLM (205)20026 CBS51000108821BKSCI1997042820001110USA011713ALANDI9020010618USA01101720020403USA011627PATRY9020040406USA011614Approximation of functions of several variables and imbedding theorems1518138UNISA