@Misc{BVMC:496488, title = {Programa de concierto: BEETHOVEN: Sonata in F Minor, op. 57 Appasionata SCHUMANN: Carnaval, op. 9 PROKOFIEFF: Twelve visions fugitives CHOPIN: Ballade in G minor, op. 23 ; Nocturne in D flat, op. 27 LISZT: Mehisto Valse}, publisher = {1967-02-28}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc795d6} }