@article{RM_2007_62_4_a6,
     author = {A. F. Aliev},
     title = {On the smooth-fit principle in~$\mathbb R^n$},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {781--783},
     publisher = {mathdoc},
     volume = {62},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2007_62_4_a6/}
}