## His work in Graph Theory

- Paul Turán
- Journal of Graph Theory
- 1977

Our frienctslup and collaboration spread over most of our active and scientific life. We first met at the University of Budapest in September 1930 and innnediately discovered our common interest in number theory and prinie nuinbers in particular. Our last mathematical discussion 11 days before his death was also about prime numbers. My last letter to hini… (More)

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