@article{DAN_1979_248_3_a5,
     author = {V. I. Ivanenko and V. A. Labkovskii},
     title = {On one kind of uncertainty},
     journal = {Doklady Akademii Nauk},
     pages = {539--541},
     publisher = {mathdoc},
     volume = {248},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_3_a5/}
}