Kamassury, J. K. S., Meira Filho, D. P., Silva, C. da R., Pampolha Júnior, J. B. S. ., Silva, R. D. R. da and Pinto, A. R. . (2021) “Calculation of the creation and annihilation operators of a free particle in the light cone coordinate formalism”, The Journal of Engineering and Exact Sciences. Viçosa/MG, BR, 7(4), pp. 13317–01. doi: 10.18540/jcecvl7iss4pp13317-01-15e.