@article{SJVM_2012_15_1_a1,
     author = {V. A. Amelkin},
     title = {Enumeration problems solutions for serial sequences with a~permanent difference in adjacent series heights},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {21--29},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2012_15_1_a1/}
}