[{"id":30725,"title":"Συναρτήσεις πολλών μεταβλητών","subtitle":null,"description":null,"image":null,"isbn":"960-405-349-3","isbn13":"978-960-405-349-0","ismn":null,"issn":null,"series":{"id":2497,"name":"Μαθηματικά ΙΙ","books_count":4,"tsearch_vector":"'ii' 'mathhmatika' 'mathimatika'","created_at":"2017-04-13T01:11:40.117+03:00","updated_at":"2017-04-13T01:11:40.117+03:00"},"pages":384,"publication_year":1992,"publication_place":"Αθήνα","price":"18.0","price_updated_at":"2010-02-12","cover_type":"Μαλακό εξώφυλλο","availability":"Εξαντλημένο","format":"Βιβλίο","original_language":null,"original_title":null,"publisher_id":139,"extra":null,"biblionet_id":31592,"url":"https://v2.bibliography.gr/books/synarthseis-pollwn-metablhtwn.json"}]