Andrew J. BernoffRachel KuskeB. J. MatkowskyVladimir A. VolpertMean Field Effects for Counterpropagating Traveling Wave Solutions of Reaction-Diffusion Systems.485-519199555SIAM J. Appl. Math.2https://doi.org/10.1137/S0036139993269308db/journals/siamam/siamam55.html#BernoffKMV95