@article{DAN_1970_195_5_a3,
     author = {A. D. Ioffe},
     title = {$B$-spaces that arise from convex integrands, and multidimensional variational problems},
     journal = {Doklady Akademii Nauk},
     pages = {1018--1021},
     publisher = {mathdoc},
     volume = {195},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_5_a3/}
}