@article{JSFU_2016_9_4_a1,
     author = {Valery K. Beloshapka},
     title = {Three families of functions of complexity one},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {416--426},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2016_9_4_a1/}
}