Fatal error

 ERRI2_5000
runtime error: <UNDEFINED>authors+95^i2.data.bibliographic.1 *data("MD_AUTHORS",3,"datedeath")

URL: https://library.upol.cz/arl-upol/en/detail-upol_us_cat-0337906-Challenging-mathematical-problems-with-elementary-solutions/?disprec=2&iset=1

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23/09/2024 02:10:20