TY - JOUR AU - R. Syski TI - Phase-type distributions and perturbation model JO - Applicationes Mathematicae PY - 1980 SP - 377 EP - 399 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-17-3-377-399/ DO - 10.4064/am-17-3-377-399 LA - fr ID - 10_4064_am_17_3_377_399 ER -