1.
Soskova A, Soskov I. ADMISSIBILITY IN $\sum_n^0$-ENUMERATIONS. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 1998 Dec. 12 [cited 2024 Dec. 23];90:77-90. Available from: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/287