1.
Wróbel I, Gomilko AM, Zemanek J. On a criterion for the uniform boundedness of a <i>C</i><sub>0</sub&gt;-semigroup of operators in a Hilbert space. Ukr. Mat. Zhurn. [Internet]. 2007Jun.25 [cited 2024Jul.25];59(6):853-8. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3350