TY - JOUR AU - Roman Różański TI - Properties of efficient sequential plans for a birth and death process JO - Mathematica Applicanda PY - 1981 VL - 9 IS - 17 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/MA_1981__9_17_292930/ LA - en ID - MA_1981__9_17_292930 ER -