@article{RM_1993_48_1_a0,
     author = {M. A. Akivis and V. V. Konnov},
     title = {Some local aspects of the theory of conformal structure},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--35},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1993_48_1_a0/}
}