@article{SM_1967_2_4_a3,
     author = {P. A. Freidman},
     title = {Rings with a distributive lattice of subrings},
     journal = {Sbornik. Mathematics},
     pages = {457--475},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {1967},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1967_2_4_a3/}
}