O.R. Sulymenko, O.V. Prokopenko, V.S. Tyberkevych, A.N. Slavin, and A.A. Serga, Bullets and droplets: Two-dimensional spin-wave solitons in modern magnonics (Review Article): Современные проблемы нелинейной физики магнетизма. I. Динамические солитоны, Low Temp. Phys. 44, (2018) [Fiz. Nizk. Temp. 44, 775-793, (2018)] DOI: https://doi.org/10.1063/1.5041426.