@article{RM_2013_68_4_a6,
     author = {D. D. Kiselev},
     title = {Examples of embedding problems the only solutions of which are fields},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {776--778},
     year = {2013},
     volume = {68},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2013_68_4_a6/}
}