@article{ZNSL_1972_26_a2,
     author = {V. M. Kalinin and O. V. Shalaevskii},
     title = {$\chi^2$~as a~criterium of independence in a~contingency table},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {88--117},
     year = {1972},
     volume = {26},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1972_26_a2/}
}