TY  - JOUR
AU  - Jesús M. Fernández Castillo
TI  - Some embeddings for phid.
JO  - Extracta Mathematicae
PY  - 1989
SP  - 99
VL  - 4
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/EXMATH_1989__4_2_38305/
LA  - en
ID  - EXMATH_1989__4_2_38305
ER  -