@article{DA_2015_22_2_a3,
     author = {S. S. Marchenkov},
     title = {On complexity of solving systems of functional equations in countable-valued logic},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {49--62},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2015_22_2_a3/}
}