@article{RM_2012_67_3_a0,
     author = {A. V. Arutyunov},
     title = {Smooth abnormal problems in~extremum theory and analysis},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {403--457},
     year = {2012},
     volume = {67},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2012_67_3_a0/}
}