@article{IVM_1975_10_a13,
     author = {V. A. Romanovich},
     title = {The maximal partial correlation coefficient of two $\sigma$-algebras relative to a~third $\sigma$-algebra},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {94--96},
     publisher = {mathdoc},
     number = {10},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1975_10_a13/}
}