1.
Glavan VA. The structure of linear extensions with the Favard type conditions II. Linear extensions with the additivity property of recurrent motions. Ukr. Mat. Zhurn. [Internet]. 1993Apr.25 [cited 2024Jul.27];45(4):466–471. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5833