“The Incompatibility of the Retirement Pension With Work As an Artist in Public Performances: Calculating the Pension Unduly Received for Days Actually Worked. Comment on Supreme Court Ruling No 773 2020, of 16 September (JUR 2020, 280023)”. 2021. Revista de Derecho de la Seguridad Social, Laborum, no. 26 (March): 125-32. https://revista.laborum.es/index.php/revsegsoc/article/view/448.