TY  - JOUR
AU  - Apt, K. R.
TI  - Recursive Embeddings of Partial Orderings
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 349
EP  - 359
VL  - 29
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-038-5/
DO  - 10.4153/CJM-1977-038-5
ID  - 10_4153_CJM_1977_038_5
ER  -