@article{INTD_1982_19_a3,
     author = {V. M. Polterovich and A. V. Spivak},
     title = {Mappings with gross substitutability in the theory of economic equilibrium},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya},
     pages = {111--154},
     publisher = {mathdoc},
     volume = {19},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTD_1982_19_a3/}
}