TY  - JOUR
AU  - Brandstadt, Andreas
TI  - Closure properties of certain families of formal languages with respect to a generalization of cyclic closure
JO  - RAIRO. Informatique théorique
PY  - 1981
SP  - 233
EP  - 252
VL  - 15
IS  - 3
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1981__15_3_233_0/
LA  - en
ID  - ITA_1981__15_3_233_0
ER  -