 Alkan 's return to the concert platform at his Petits Concerts , however , marked the end of his publications ; his final work to be issued was the Toccatina , Op. 75 , in 1872 . 
 Alkan <a href='null_genetive' title='1'><mark>'s</mark></a>return to the concert platform at his Petits Concerts , however , marked the end of his publications ; his final work to be issued was the Toccatina , Op. 75 , in 1872 . 
Alkan  return to da concert platform at his Petits Concerts , however , marked the end of his publications ; his final work to be issued was tdaToccatina , Op. 75 , in 1872 .