00579nam a2200133Ia 4500 251029b |||||||| |||| 00| 0 eng d 511.5 B575.CT Bhaskara Rao, Siddani 10778 Contributions to the theory of directed and undirected graphs : a thesis submitted to the Indian Statistical Institute in partial fulfilment of the requirements for the award of the degree of Doctor of Philosophy / Calcutta: Indian Statistical Institute, 1970 152p. BK Doctor of Philosophy 0 0 0 511_500000000000000_B575_CT 0 19022 ISI ISI 1998-10-07 0 511.5 B575.CT DP8430 2019-02-14 00:00:00 BK 15544 15544