Fatal error

 ERRI2_5000
runtime error: <UNDEFINED>authors+95^i2.data.bibliographic.1 *data("MD_AUTHORS",2,"datedeath")

URL: https://library.upol.cz/arl-upol/en/detail-upol_us_cat-0182773-110-geometry-problems-for-the-international-mathematical-olympiad/?disprec=4&iset=1

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20/09/2024 21:19:10