@article{Singer_outline,
    author = {Singer, Michael},
    year = {1990},
    month = {01},
    pages = {},
    title = {An outline of differential galois theory},
    date-added = {2024-4-4 11:58:46 +0100}
}

@article{Singer_outline, author = {Singer, Michael}, year = {1990}, month = {01}, pages = {}, title = {An outline of differential galois theory}, date-added = {2024-4-4 11:58:46 +0100} }