BibSlavKon: 3 hits for Debreczeny, P.

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 Debreczeny, P. provides 3 hits
1	Ivan Turgenev and Henry James : the Function of Social Themes in Fathers and Sons and The Princess Casamassima Debreczeny, P. - American Contributions to the Ninth International Congress of Slavists : Kiev, September 1983 (1983), 113-123
2	The Device of Conspicuous Silence in Tolstoj, Čechov, and Faulkner Debreczeny, P. - American Contributions to the Eighth International Congress of Slavists : Zagreb and Ljubljana, September 3-9, 1978 (1978), 125-145
3	Elements of the Lyrical Verse Tale in Lermontov’s A Hero of Our Time Debreczeny, P. - American Contributions to the Seventh International Congress of Slavists : Warsaw, August 21-27, 1973 (1973), 93-117

Bibliography of International Congresses of Slavists (BibSlavKon)

Ivan Turgenev and Henry James : the Function of Social Themes in Fathers and Sons and The Princess Casamassima

The Device of Conspicuous Silence in Tolstoj, Čechov, and Faulkner

Elements of the Lyrical Verse Tale in Lermontov’s A Hero of Our Time