Infinitely many asymptotic values of locally univalent meromorphic functions. Barth, Karl F., Rippon, Philip J. (2003) Annales Academiae Scientiarum Fennicae. Mathematica
Integral-type operators from a mixed norm space to a Bloch-type space on the unit ball. Stević, Stevo (2009) Sibirskij Matematicheskij Zhurnal