@article{DAN_1980_250_1_a3,
     author = {V. F. Dem'yanov and A. M. Rubinov},
     title = {On quasidifferentiable functionals},
     journal = {Doklady Akademii Nauk},
     pages = {21--25},
     publisher = {mathdoc},
     volume = {250},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_1_a3/}
}