Search results for: I. V. Romanyuk
Journal of Mathematical Sciences > 2019 > 236 > 3 > 300-312
Ukrainian Mathematical Journal > 2018 > 70 > 1 > 30-41
Journal of Mathematical Sciences > 2019 > 236 > 3 > 300-312
Ukrainian Mathematical Journal > 2018 > 70 > 1 > 30-41