Search for: [Abstract = "This approach has the following general advantages\: \(a\) it allows to find solutions of a problem only within some finite domain which make sense as soon as the unknowns in the problem are physical parameters\; \(b\) numerical computer round\-off errors are taken into account so that the solutions are guaranteed\; \(c\) it allows one to take into account the uncertainties that are inherent to a physical system."]