Storozh, O.G. and Pipa, H.M. (2008) “The criteria of maximal dissipativity and self-adjointness for a class of differential-boundary operators with bounded operator coefficients”, Methods of Functional Analysis and Topology, 14(4), pp. 372–379. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/400 (Accessed: 18 December 2025).