The cluster problem in multivariate global optimization. - Kaisheng Du; R. Baker Kearfott (J. Glob. Optim., 1994)

Algorithm 737; INTLIB: a portable Fortran 77 interval standard-function library. - Ralph Baker Kearfott; Milind Dawande; Kaisheng Du; Chenyi Hu (ACM Trans. Math. Softw., 1994)