@article{MO_2021_99_3_a7,
     author = {I. B. Pisarenko and M. I. Zaidel},
     title = {From a linear system through geometry to a determinant},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {70--85},
     publisher = {mathdoc},
     volume = {99},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2021_99_3_a7/}
}