@article{UFA_2018_10_3_a1,
     author = {A. G. Baskakov and N. B. Uskova},
     title = {Fourier method for first order differential equations with involution and groups of operators},
     journal = {Ufa mathematical journal},
     pages = {11--34},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2018_10_3_a1/}
}