@Book{Gale1977_capitulo_1,

author    = {Gal{\'e}, J.G.},
publisher = {Macchi},
title     = {Elementos de c{\'a}lculo actuarial},
year      = {1977},
series    = {Ciencias econ{\'o}micas. Temas de matem{\'a}ticas},
chapter   = {1},
url       = {https://books.google.com.ar/books?id=mCU7SQAACAAJ},

}

@Book{Gale1977_capitulo_2,

author    = {Gal{\'e}, J.G.},
publisher = {Macchi},
title     = {Elementos de c{\'a}lculo actuarial},
year      = {1977},
series    = {Ciencias econ{\'o}micas. Temas de matem{\'a}ticas},
chapter   = {2},
url       = {https://books.google.com.ar/books?id=mCU7SQAACAAJ},

}

@Book{Bowers1997,

author    = {Bowers, N.L.},
publisher = {Society of Actuaries},
title     = {Actuarial Mathematics},
year      = {1997},
isbn      = {9780938959465},
lccn      = {97008528},
url       = {https://books.google.com.ar/books?id=3Q2RtwEACAAJ},

}

@Book{Meilij1998,

author    = {Meilij, G.R.A.},
publisher = {Depalma},
title     = {Manual de Seguros},
year      = {1998},
isbn      = {9789501409925},
url       = {https://books.google.com.ar/books?id=iNhYPgAACAAJ},

}

@Book{grossman1996algebra,

author    = {Grossman, S.I.},
publisher = {McGraw-Hill Interamericana de Espa{\~n}a S.L.},
title     = {{\'A}lgebra lineal},
year      = {1996},
isbn      = {9789701008904},
url       = {https://books.google.com.ec/books?id=hXGHAAAACAAJ},

}