%0 Journal Article %A S. Ya. Havinson %T Approximations by wedge elements taking into account the values of the approximating elements %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2002 %P 71-84 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2002_10_a6/ %G ru %F IVM_2002_10_a6