%0 Journal Article %A Bandura, Andriy %A Petrechko, Nataliia %A Skaskiv, Oleh %T Maximum modulus in a bidisc of analytic functions of bounded ${\bf L}$-index and an analogue of Hayman's theorem %J Mathematica Bohemica %D 2018 %P 339-354 %V 143 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2017.0110-16/ %R 10.21136/MB.2017.0110-16 %G en %F 10_21136_MB_2017_0110_16