%0 Journal Article %A V. I. Vasyunin %T Two classical theorems of function model theory via the coordinate-free approach %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 5-22 %V 178 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_178_a0/ %G ru %F ZNSL_1989_178_a0