%0 Journal Article %A V. A. Amelkin %T Enumeration problems of sets of increasing and decreasing $n$-valued serial sequences with double-ended constraints on series heights %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2013 %P 205-215 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2013_16_3_a1/ %G ru %F SJVM_2013_16_3_a1