@article{ZNSL_2009_373_a19,
     author = {A. El Khoury and S. Soloviev and L. Mehats and M. Spivakovsky},
     title = {Categorical interpretation of logical derivations and some its applications to algebra},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {318--344},
     publisher = {mathdoc},
     volume = {373},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_373_a19/}
}