Costa, M.
Menshikov, M.
Shcherbakov, V.
Vachkovskaia, M.
Funding for this research was provided by:
London Mathematical Society (41562)
CNPq (248679/2013-9, 305369/2016-4)
CNPq (302593/2013-6)
Article History
Received: 3 January 2018
Accepted: 2 May 2018
First Online: 8 May 2018