@article{ZNSL_1979_88_a7,
     author = {S. Yu. Maslov},
     title = {Calculuses with monotone deductions and their economic interpretation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {90--105},
     publisher = {mathdoc},
     volume = {88},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1979_88_a7/}
}