@article{DAN_1965_160_5_a5,
     author = {P. G. Kontorovich and S. G. Ivanov and G. P. Kondrashov},
     title = {Distributive pairs of elements in a lattice},
     journal = {Doklady Akademii Nauk},
     pages = {1001--1003},
     publisher = {mathdoc},
     volume = {160},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_5_a5/}
}