ON THE BORSUK-ULAM THEOREM FOR LIPSCHITZ MAPPINGS ON AN INFINITE-DIMENSIONAL SPACE Article Gel’man B.D. Functional Analysis and its Applications. Vol. 53. 2019. P. 61-64
CARISTI-LIKE CONDITION. EXISTENCE OF SOLUTIONS TO EQUATIONS AND MINIMA OF FUNCTIONS IN METRIC SPACES Article Arutyunov A.V., Gel’man B.D., Zhukovskiy E.S., Zhukovskiy S.E. Fixed Point Theory. House of the Book of Science. Vol. 20. 2019. P. 31-58
CARISTI’S INEQUALITY AND Α-CONTRACTION MAPPINGS Article Gel’man B.D. Functional Analysis and its Applications. Vol. 53. 2019. P. 224-228
PERIODIC TRAJECTORIES AND COINCIDENCE POINTS OF TUPLES OF SET-VALUED MAPS Article Gel’man B.D. Functional Analysis and its Applications. Vol. 52. 2018. P. 139-143