Robert Abernathy. The problem of linguistic equivalence. Structure of language and its mathematical aspects, Proceedings of symposia in applied mathematics, vol. 12, American Mathematical Society, Providence 1961, pp. 95–98.
1947 ◽
Vol 53
(7)
◽
pp. 637-639
1962 ◽
Vol 42
(1-2)
◽
pp. 84-84
1961 ◽
Vol 41
(7-8)
◽
pp. 332-332
◽