Úvod
Pythagorova věta, GDML_Books, (1949), p. 3-5 / Harvested from
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@inbook{402876,
     title = {\'Uvod},
     booktitle = {Pythagorova v\v eta},
     series = {GDML\_Books},
     publisher = {Jednota \v ceskoslovensk\'ych matematik\r u a fyzik\r u},
     address = {Praha},
     year = {1949},
     pages = {3-5},
     url = {http://dml.mathdoc.fr/item/402876}
}

 (éd.). Úvod, dans Pythagorova věta, GDML_Books,  (1949), pp. 3-5. http://gdmltest.u-ga.fr/item/402876/