@article{DAN_1980_251_3_a11,
     author = {G. F. Schwartz},
     title = {Open existence properties for some extensions of the intuitionistic type theory},
     journal = {Doklady Akademii Nauk},
     pages = {562--565},
     publisher = {mathdoc},
     volume = {251},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_3_a11/}
}