A Numerical Method of Proving the Existence of Solution for Nonlinear Equations with Guaranteed Accuracy. Proc. of 2000 International Symposium on Nonlinear Theory and its Applications (NOLTA2000). 2000. Vol.2, pp689-691
Numerical Verification of Nonexistence of Solutions for Nonlinear Equations and its Application to All Solutions Algorithm. Proc. of 1999 International Symposium on Nonlinear Theory and its Applications (NOLTA '99). 1999. Vol.2, pp.835-838