TY - GEN AU - Ahmed,E AU - Elgazzar,A S TI - On fractional order differential equations model for nonlocal epidemics SN - 0378-4371 PY - 2007/// PB - Physica A N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.physa.2007.01.010 ER -