TY JOUR TI Joint will and testament of spouses as a new institute in the inheritance law of Russia KW inheritance law KW testament KW joint will of spouses KW married couple KW deceased spouse’s estate JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Mamay, E.A. AU Mamay, E.O. PY 2020 IS 2020 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia