Representation of Autonomous Automata. - Janis Buls; Vaira Buza; Roberts Glaudins (FCT, 2001)

The Lattice of Machine Invariant Sets and Subword Complexity - Janis Buls (CoRR, 2005)

From Bi-ideals to Periodicity. - Janis Buls; Aivars Lorencs (RAIRO Theor. Informatics Appl., 2008)

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)

The adaptation of Shamir's protocol for increasing the security of a mobile environment. - Janis Buls; Imants Gorbans; Ivans Kulesovs; Uldis Straujums (CoRR, 2015)

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