@article{VMUMM_1993_4_a23,
     author = {S. M. Ageev},
     title = {Erratum: {``On} the extension of action''},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {93},
     publisher = {mathdoc},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_4_a23/}
}