Kirjatskis J, Kirjackis E. The tests of the belonging of functions to the classes Fn(D) and Qn(D). LMR [Internet]. 2021 Jun. 14 [cited 2025 Nov. 7];47(spec.):95–103. Available from: https://www.zurnalai.vu.lt/LMR/article/view/24185