II. část
Trigonometrie, GDML_Books, (1952), p. 90-179 / Harvested from
@inbook{404207,
     title = {II. \v c\'ast},
     booktitle = {Trigonometrie},
     series = {GDML\_Books},
     publisher = {P\v r\'\i rodov\v edeck\'e nakladatelstv\'\i },
     address = {Praha},
     year = {1952},
     pages = {90-179},
     url = {http://dml.mathdoc.fr/item/404207}
}
 (éd.). II. část, dans Trigonometrie, GDML_Books,  (1952), pp. 90-179. http://gdmltest.u-ga.fr/item/404207/