共 50 条
- [31] AN ALGEBRAIC METHOD FOR FINDING A DUAL GRAPH OF A GIVEN GRAPH IEEE TRANSACTIONS ON CIRCUIT THEORY, 1970, CT17 (03): : 434 - +
- [39] DEGREES OF VERTICES IN A FRIENDSHIP GRAPH CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES, 1975, 18 (05): : 691 - 693