TY - JOUR AU - B. E. Okeke AU - M. R. Roussel TI - An Invariant-Manifold Approach to Lumping JO - Mathematical modelling of natural phenomena PY - 2015 SP - 149 EP - 167 VL - 10 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/201510312/ DO - 10.1051/mmnp/201510312 LA - en ID - MMNP_2015_10_3_a11 ER -