Mathematical Institute, Academy of Sciences of the Czech Republic. (1991). Mathematica Bohemica. Ceskoslovenska Akademie Ved, Matematicky Ustav.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMathematical Institute, Academy of Sciences of the Czech Republic. Mathematica Bohemica. Praga: Ceskoslovenska Akademie Ved, Matematicky Ustav, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMathematical Institute, Academy of Sciences of the Czech Republic. Mathematica Bohemica. Ceskoslovenska Akademie Ved, Matematicky Ustav, 1991.
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