Kari E. Fowler, “Families of Differential Equations in the Unit Disk”, Journal of Mathematics, 2019, 2019, 1
Julian M. I. Newman, Maxime Lucas, Aneta Stefanovska, Physics of Biological Oscillators, 2021, 111
S. I. Tertychniy, “Solution Space Monodromy of a Special Double Confluent Heun Equation and Its Applications”, Theor Math Phys, 201, № 1, 2019, 1426