TY - JOUR AU - Karaliopoulou, Margarita TI - On the number of word occurrences in a semi-Markov sequence of letters JO - ESAIM: Probability and Statistics PY - 2009 SP - 328 EP - 342 VL - 13 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ps:2008009/ DO - 10.1051/ps:2008009 LA - en ID - PS_2009__13__328_0 ER -