I left a rich and intensive correspondence for posterity, with my brother Frigyes. He asked me to write about the events of the war wrapped in mathematical formulas.
1886.11.16 – 1969.9.4
I left a rich and intensive correspondence for posterity, with my brother Frigyes. He asked me to write about the events of the war wrapped in mathematical formulas.
1886.11.16 – 1969.9.4