@article{DAN_1978_238_6_a2,
     author = {E. V. Dyukova},
     title = {The construction of irredundant tests for $k$-valued tables},
     journal = {Doklady Akademii Nauk},
     pages = {1279--1282},
     publisher = {mathdoc},
     volume = {238},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_238_6_a2/}
}