1. Fractional integrals and derivatives;Samko,1993
2. Sulle equazioni lineari alle derivate Parziali di secondo ordine, di tipo misto;Tricomi;Rend Reale Accad Lincei Cl Sci Fis Mat Natur,1923
3. On the problems of Chaplygin for mixed sub-and supersonic flows;Frankl;Bull Acad Sci USSR Ser Math,1945
4. Analysis for one-dimensional time-fractional Tricomi-type equations by LDG methods;Zhang;Numer Algor,2013