%0 Journal Article %A E. V. Strelkova %A V. T. Shevaldin %T Form preservation under approximation by local exponential splines of an arbitrary order %J Trudy Instituta matematiki i mehaniki %D 2011 %P 291-299 %V 17 %N 3 %U http://geodesic.mathdoc.fr/item/TIMM_2011_17_3_a28/ %G ru %F TIMM_2011_17_3_a28