Anikushyn AV, Nomirovs’kiiDA. Generalized solutions for linear operators with weakened a priori inequalities. Ukr. Mat. Zhurn. [Internet]. 2010Aug.25 [cited 2024Nov.22];62(8):1011–1021. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2933