TY  - JOUR
AU  - Halava, Vesa
AU  - Harju, Tero
AU  - Kärki, Tomi
TI  - The theorem of Fine and Wilf for relational periods
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 2009
SP  - 209
EP  - 220
VL  - 43
IS  - 2
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/ita:2008025/
DO  - 10.1051/ita:2008025
LA  - en
ID  - ITA_2009__43_2_209_0
ER  -