@article{FAA_1975_9_2_a3, author = {D. I. Gurevich}, title = {Counterexamples to a problem of {L.} {Schwartz}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {29--35}, publisher = {mathdoc}, volume = {9}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1975_9_2_a3/} }