@article{TM_2008_262_a6,
     author = {V. M. Zakalyukin and A. N. Kurbatskii},
     title = {Envelope {Singularities} of {Families} of {Planes} in {Control} {Theory}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {73--86},
     publisher = {mathdoc},
     volume = {262},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2008_262_a6/}
}