TY - JOUR AU - Stanley, Richard P. TI - Differential posets JO - Journal of the American Mathematical Society PY - 1988 SP - 919 EP - 961 VL - 01 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1988-0941434-9/ DO - 10.1090/S0894-0347-1988-0941434-9 ID - 10_1090_S0894_0347_1988_0941434_9 ER -