Däubel, K., Jäger, S., Mütze, T., & Scheucher, M. (2019). On orthogonal symmetric chain decompositions. Acta Mathematica Universitatis Comenianae, 88(3), 611-618. Retrieved from http://www.iam.fmph.uniba.sk/amuc/ojs/index.php/amuc/article/view/1203