@article{SJVM_2009_12_4_a2,
     author = {V. A. Amelkin},
     title = {Numeration of non-decreasing and non-increasing serial sequences},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {389--401},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2009_12_4_a2/}
}