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Groups of order less than 32 and their endomorphism semigroupsPuusemp, PeeterJournal of nonlinear mathematical physics2006 / Supplement, August, p. 93-101

Non-coordinate case of graded differential algebra with ternary differentialBazunova, NadeždaJournal of nonlinear mathematical physics2006 / Supplement, August, p. 21-26 https://www.tandfonline.com/doi/pdf/10.2991/jnmp.2006.13.s.3

Note on operadic non-associative deformationsPaal, EugenJournal of nonlinear mathematical physics2006 / Supplement, August, p. 87-92 https://www.atlantis-press.com/journals/jnmp/372

On near and the nearest correlation matrixZusmanovich, PashaJournal of nonlinear mathematical physics2013 / p. 431-439

SO(2) and Hamilton-Dirac mechanicsBurdik, Cestmir; Paal, Eugen; Virkepu, JüriJournal of nonlinear mathematical physics2006 / Supplement, August, p. 37-43