@article{AIF_1999__49_3_973_0, author = {Las Vergnas, Michel}, title = {The {Tutte} polynomial of a morphism of matroids {I.} {Set-pointed} matroids and matroid perspectives}, journal = {Annales de l'Institut Fourier}, pages = {973--1015}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {49}, number = {3}, year = {1999}, doi = {10.5802/aif.1702}, zbl = {0917.05019}, mrnumber = {2000f:05024}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1702/} }