By Chang Guisong   in The Protein Journal

ISSN:1572-3887|30|3|167-172

Springer Publishing Company ‎(2011)‎

Access to resources Favorite 19.406052

By Chang Guisong   Xu Chen   in American Mathematical Monthly

ISSN:1930-0972|118|2|175-177

Mathematical Association of America‎(2011)‎

Access to resources Favorite 15.52484