@article{AL_1967_6_6_a0,
     author = {L. L. Maksimova},
     title = {On models of the calculus $E$},
     journal = {Algebra i logika},
     pages = {5--20},
     publisher = {mathdoc},
     volume = {6},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1967_6_6_a0/}
}