@article{10_1155_S0161171296000269,
     author = {Goddard, Mark A.},
     title = {Projective covers and minimal free resolutions.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     pages = {185},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1996},
     doi = {10.1155/S0161171296000269},
     zbl = {0847.16004},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1155/S0161171296000269/}
}