Bibliography of International Congresses of Slavists (BibSlavKon)

The Bibliography of International Congresses of Slavists (1929-2018) was converted from thirteen printed volumes into a database in cooperation with the Slavonic Library in Prague (Slovanská knihovna Praha) and contains 8550 records. Since 2008 the Bibliography appear only in electronic form and will be updated in five-year interval according to the next Congresses of Slavists. The further information can be found here. The overview of the classification can be found: here.

Your search for A0637 provides 2 hits
1	Relazioni anaforiche tra lingue con e senza articolo Giusti Fici, F. - Mondo slavo e cultura italiana : contributi italiani al IX Congresso Internazionale degli Slavisti Kiev 1983 (1983), 153-161
2	Pokazatelnoto mestoimenie kato sredstvo na anaforičnija mechanizăm v slavjanskite ezici Ivančev, Svetomir - Slavjanska filologija (1978), 135-142

Bibliography of International Congresses of Slavists (BibSlavKon)

Relazioni anaforiche tra lingue con e senza articolo

Pokazatelnoto mestoimenie kato sredstvo na anaforičnija mechanizăm v slavjanskite ezici