1. Množiny
Algebra, každý začátek je lehký, GDML_Books, (1986), p. 7-52 / Harvested from
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@inbook{404145,
     title = {1. Mno\v ziny},
     booktitle = {Algebra, ka\v zd\'y za\v c\'atek je lehk\'y},
     series = {GDML\_Books},
     publisher = {Mlad\'a fronta},
     address = {Praha},
     year = {1986},
     pages = {7-52},
     url = {http://dml.mathdoc.fr/item/404145}
}

 (éd.). 1. Množiny, dans Algebra, každý začátek je lehký, GDML_Books,  (1986), pp. 7-52. http://gdmltest.u-ga.fr/item/404145/