1.
BERGER, Melvyn S., SCHECHTER, Martin and SUN, Guozhang. Infinite-dimensional singularity theory and bifurcation from equilibria for certain nonlinear evolution equations. Topological Methods in Nonlinear Analysis. Online. 1 December 1994. Vol. 4, no. 2, pp. 341 - 353. [Accessed 22 July 2024].