Zelinka, Bohdan

• The Journal of the Indian Mathematical Society Volume 39, Issue 1-4, March-December 1975 - Articles
  (0, 1)-Matrices with Isomorphic Term Bigraphs have Equal Ranks
  Abstract
• The Journal of the Indian Mathematical Society Volume 38, Issue 1-4, March-December 1974 - Articles
  A Remark on Dot-Compositions of Graphs
  Abstract