@article{ZNSL_1967_4_a10,
     author = {S. Yu. Maslov},
     title = {Invertible sequential variant of intuitibnistic predicate calculus},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {96--111},
     year = {1967},
     volume = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1967_4_a10/}
}