%0 Journal Article %A V. I. Rodionov %A N. V. Rodionova %T Exact formulas for coefficients and residual of optimal approximate spline of simplest heat conduction equation %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2010 %P 154-171 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2010_4_a16/ %G ru %F VUU_2010_4_a16