Rank-deficient matrices as a computational tool. - Willy Govaerts; B. Sijnave (Numer. Linear Algebra Appl., 1997)

Implementation of Hopf and Double-Hopf Continuation Using Bordering Methods. - Willy Govaerts; Yuri A. Kuznetsov; B. Sijnave (ACM Trans. Math. Softw., 1998)

Bifurcations of Maps in the Software Package CONTENT. - Willy Govaerts; Yuri A. Kuznetsov; B. Sijnave (CASC, 1999)

Numerical Methods for the Generalized Hopf Bifurcation. - Willy Govaerts; Yuri A. Kuznetsov; B. Sijnave (SIAM J. Numer. Anal., 2000)