TY - GENERIC DO - 10.20944/preprints202110.0389.v1 UR - http://dx.doi.org/10.20944/preprints202110.0389.v1 TI - A Formalization of the Concept of a Numeral System T2 - Preprints AU - Averbukh, Boris PY - 2021 DA - 2021/10/26 PB - Preprints