@article{ZNSL_1996_234_a12,
     author = {E. V. Shikin},
     title = {The problem of the regular isometric imbeddings and the {Monge--Amp\`ere} equation of the hyperbolic type},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {177--186},
     publisher = {mathdoc},
     volume = {234},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a12/}
}