On a Non-periodic Shrinking Generator. - Inese Berzina; Raivis Bets; Janis Buls; Edmunds Cers; Liga Kulesa (SYNASC, 2011)

Bounded Bi-ideals and Linear Recurrence. - Inese Berzina; Janis Buls; Raivis Bets (SYNASC, 2013)

On the Existence of 1-Bounded Bi-ideals with the WELLDOC Property. - Raivis Bets; Janis Buls (SYNASC, 2015)

Partial Finitely Generated Bi-Ideals. - Raivis Bets; Janis Buls (SYNASC, 2016)

Fragmentary Fuzzy Pseudometrics: Basics of the Theory and Applications in Combinatorics on Words. - Raivis Bets; Alexander P. Sostak (Balt. J. Mod. Comput., 2016)

Fuzzy φ-pseudometrics and Fuzzy φ-pseudometric Spaces. - Alexander P. Sostak; Raivis Bets (EUSFLAT/IWIFSGN (3), 2017)

Parameterized Metrics and Their Applications in Word Combinatorics. - Raivis Bets; Alexander P. Sostak; Emils Mikelis Mikelsons (IPMU (1), 2022)