Daniel H. Ullman, Daniel J. Velleman, Douglas B. West. Problems and solutions. The American Mathematical Monthly, 128(4):376-384, 2021. [doi]
@article{UllmanVWB21,
title = {Problems and solutions},
author = {Daniel H. Ullman and Daniel J. Velleman and Douglas B. West},
year = {2021},
doi = {10.1080/00029890.2021.1877020},
url = {https://doi.org/10.1080/00029890.2021.1877020},
researchr = {https://researchr.org/publication/UllmanVWB21},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {128},
number = {4},
pages = {376-384},
}