@Misc{BVMC:1131776, author = {Pazukhin, Rotislao}, title = {Un fantasma de la lexicografía hispánica: "¿matemática o matemáticas?"}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2021}, year = {2021}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1131776} }