%0 Journal Article
%A J. B. Farforovskaja
%T Estimate of $\|f(A_1, A_2)-f(B_1, B_2)\|$ for a~couple of selfadjoint commuting operators.
%J Zapiski Nauchnykh Seminarov POMI
%D 1984
%P 175-177
%V 135
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1984_135_a14/
%G ru
%F ZNSL_1984_135_a14