Não informado. (1991). Applications of Mathematics. Czechoslovak Academy of Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Applications of Mathematics. Praha: Czechoslovak Academy of Sciences, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Applications of Mathematics. Czechoslovak Academy of Sciences, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.