TY  - JOUR
AU  - Sochor, Antonín
TI  - Addition of initial segments. I.
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1988
SP  - 501
EP  - 517
VL  - 29
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1988__29_3_a10/
LA  - en
ID  - CMUC_1988__29_3_a10
ER  -