@article{Valqui Haase_1999, title={Árboles binarios, álgebra tensorial no asociativa y una c-álgebra universal}, volume={13}, url={https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8147}, number={25-26}, journal={Pro Mathematica}, author={Valqui Haase, Christian}, year={1999}, month={feb.}, pages={17-30} }