@article{ZNSL_1977_72_a7,
     author = {V. V. Petrov},
     title = {A strong law of large numbers for orthogonal random variables},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {103--106},
     publisher = {mathdoc},
     volume = {72},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1977_72_a7/}
}