@article{IVM_1970_4_a6,
     author = {V. T. Kulik},
     title = {Sentences preserved under homomorphisms that are one-to-one at zero},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {56--63},
     publisher = {mathdoc},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_4_a6/}
}