Karel Rychlík
Karel Rychlík (; 16 August 1885 – 28 May 1968) was a Czech mathematician. He contributed significantly to the fields of algebra, number theory, mathematical analysis, and the history of mathematics.
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Rovnice matematické fysiky
Tichonov, Andrej Nikolajevič, 1906-1993, Samarskij, Aleksandr Andrejevič, 1919-2008
Year of Publication 1955
Year of Publication 1955