@article{DAN_1960_132_6_a10,
     author = {L. A. Markushevich},
     title = {Structure of a ring of continuous functions on a circle with two generators},
     journal = {Doklady Akademii Nauk},
     pages = {1265--1268},
     year = {1960},
     volume = {132},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_6_a10/}
}