1.
Gorbachuk ML. Phragmén-Lindelöf theorem for solutions of elliptic differential equations in a banach space. Ukr. Mat. Zhurn. [Internet]. 2007May25 [cited 2024Nov.22];59(5):650–657. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3336