{
  "type": "book",
  "site": {
    "name": "The Book Quiver",
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    "url": "https://www.bookquiver.com"
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  "formats": "Every page has two versions with the same data: JSON (the page address + .json) and markdown (the page address + .md). Append .json or .md to any `url` in this document.",
  "title": "Čtverec",
  "subtitle": null,
  "slug": "ctverec",
  "url": "https://www.bookquiver.com/michal-sanda/cs/ctverec",
  "json": "https://www.bookquiver.com/michal-sanda/cs/ctverec.json",
  "markdown": "https://www.bookquiver.com/michal-sanda/cs/ctverec.md",
  "authors": [
    {
      "name": "Michal Šanda",
      "slug": "michal-sanda",
      "url": "https://www.bookquiver.com/michal-sanda"
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  "language": "cs_CZ",
  "original_title": null,
  "original_language": null,
  "first_published": "2024-10-28",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/meander/michal-sanda/ctverec_978-80-7558-267-6.jpg?v=2026-07-24%2007%3A38%3A50",
  "description": "Na repolelo Kruh logicky navazuje Čtverec. Definován je jako rovinný útvar ohraničený čtyřmi shodnými úsečkami. Jeho obsah se spočítá podle vzorce a x a, to ale ještě nemusíte znát. Pojďme spolu radši blbnout na kvadrát.",
  "editions": [
    {
      "title": "Čtverec",
      "subtitle": null,
      "url": "https://www.bookquiver.com/michal-sanda/cs/ctverec/9788075582676",
      "publisher": "meander",
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "isbn": "978-80-7558-267-6",
      "pages": 18,
      "published": "2024-10-28",
      "language": "cs_CZ",
      "cover": "https://quivercdn.com/covers/meander/michal-sanda/ctverec_978-80-7558-267-6.jpg?v=2026-07-24%2007%3A38%3A50"
    }
  ],
  "other_languages": [],
  "characters": [],
  "chapters": []
}