NUMERICAL SEARCH FOR THE STATES WITH MINIMAL DISPERSION IN QUANTUM MECHANICS WITH NON-NEGATIVE QUANTUM DISTRIBUTION FUNCTION Article Zorin A.V., Sevastianov L.A., Belomestny G.A. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 3401. 2005. P. 613-620