publication venue for
- On minimum possible columes of strong Steiner trades.. 20:197-203. 1999
- On the non-existence of Steiner $(v,k,2)$ trades with certain volumes.. 18:303-311. 1998
- The intersection problem for cubes.. 15:127-134. 1997
- Balanced ternary designs with holes and number of common triples.. 7:111-122. 1993