TY - JOUR AU - Horálek, Vratislav TI - On the moments in nonhomogeneous birth, immigration and death processes JO - Applications of Mathematics PY - 1970 SP - 31 EP - 40 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103265/ DO - 10.21136/AM.1970.103265 LA - en ID - 10_21136_AM_1970_103265 ER -