@Book{OL5801548M,
    title: {Probability theory.},
    author: {M. Loève},
    publisher: {Van Nostrand},
    year: {1960},
    place: {Princeton, N.J},
}

@Book{OL3947050M,
    title: {A first course in probability},
    author: {Sheldon M. Ross},
    publisher: {Prentice Hall},
    year: {2002},
    place: {Upper Saddle River, N.J},
}

@Author{OL35113A,
    name: {Sheldon M. Ross},
    birth_date: {1943}
}