G. Vlahopol. "TYPOLOGIES OF THE SONATA FORM IN THE PIANO SONATAS OF FRANZ SCHUBERT - LANDMARKS OF CONTINUITY AND INNOVATING ELEMENTS." 4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2017 (2017): 233-240. https://doi.org/10.5593/sgemsocial2017/62/S25.028