@article{TRSPY_1959_55_a0,
     author = {L. D. Kudryavtsev},
     title = {Direct and inverse imbedding theorems. {Applications} to the solution of elliptic equations by variational methods},
     journal = {Informatics and Automation},
     pages = {3--182},
     publisher = {mathdoc},
     volume = {55},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1959_55_a0/}
}