| |
| 1993 | ||
|---|---|---|
| 2 | EE | Daniel Hershkowitz, H. Schneider: Path Coverings of Graphs and Height Characteristics of Matrices. J. Comb. Theory, Ser. B 59(2): 172-187 (1993) |
| 1987 | ||
| 1 | EE | Daniel Hershkowitz: Linear mappings which preserve acyclicity properties of graphs and digraphs and applications to matrices. Discrete Mathematics 64(2-3): 157-190 (1987) |
| 1 | H. Schneider | [2] |