Noncommutative structures in mathematics and physics : 22-26 juli 20082010 https://www.ester.ee/record=b5750969*est

2D binary operadic Lax representation for harmonic oscillatorPaal, Eugen; Virkepu, JüriNoncommutative structures in mathematics and physics : 22-26 juli 20082010 / p. 209-216 https://www.researchgate.net/publication/1913785_2D_binary_operadic_Lax_representation_for_harmonic_oscillator