"Structures"@en . "2"^^ . . "Praha" . "2"^^ . "[2362D6C176B5]" . "Kub\u00EDnov\u00E1, Marie" . "Stehl\u00EDkov\u00E1, Na\u010Fa" . . "Structures" . "20;22" . . "RIV:J13/97:114100994!RIV/1998/MSM/MSM8ME0" . "11410" . "814642" . . "Didactics of Mathematics. Proceedings of the Seminar of Doct" . . . "Structures" . "Univerzita Karlova v Praze. Pedagogick\u00E1 fakulta. Katedra matematiky a didaktiky matematiky" . . . "0"^^ . "Structures"@en . . . "RIV:J13/97:114100994" .