@article{IM2_1974_8_2_a6,
     author = {O. V. Titov},
     title = {Minimal hypersurfaces over soft obstacles},
     journal = {Izvestiya. Mathematics },
     pages = {379--421},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1974_8_2_a6/}
}