1. Barenblatt, G.I., Zheltov, Y.P., Kochina, I.N.: Basic concepts in the theory of seepage of homogeneous fluids in fissurized rocks. J. Appl. Math. Mech. 24(5), 1286–1303 (1960)
2. Dzektser, E.S.: Equations of motion of ground water with free surface in multilayered media. Dokl. Akad. Nauk SSSR 220(3), 540–543 (1975)
3. Rubinshtein, L.I.: On the process of heat transfer in heterogenous media. Izv. Akad. Nauk SSSR. Ser. Geogr. 12(1), 27–45 (1948)
4. Ting, T.W.: A cooling process according to two temperature theory of heat conduction. J. Math. Anal. Appl. 45(9), 23–31 (1974)
5. Hallaire, M.: Le potentiel efficace de leau dans le sol en regime de dessechement. LEau et la Production Vegetale. Paris, Institut National de la Recherche Agronomique 9, 27–62 (1964)