00816naa#a2200229#i#450# EN\\bibl\36237 20240427042950.6 2072-9502 20191025b2019####ek#y0engy0150####ca RUS RU NUMERICAL CALCULATION OF NONSTATIONARY FRACTIONAL DIFFERENTIAL EQUATION IN PROBLEMS OF MODELING TOXIC SUBSTANCES DISTRIBUTION IN GROUND WATERS Journal article Astrakhan Astrakhan State Technical University 2019 10 с. Journal article local . 504.054 RUS Afanasyeva Alexandra Alekseyevna Shvetsova-Shilovskaya Tatyana Nikolayevna Ivanov Dmitriy Evgenevich Nazarenko Denis Igorevich Kazarezova Elena Victorovna vestnik.astu.org