TY - RPRT TI - Trajectory scaling function for bifurcations in four-dimensional symplectic maps. AU - MJ Vinson AU - GH Gunaratne PY - 1987 DO - 10.1103/physreva.36.2418 UR - https://pubmed.ncbi.nlm.nih.gov/9899136/ ID - 9899136 ER -