Lahno, V. I., Spichak, S. V., Лато, В. І., & Спічак, С. В. (2007). Group classification of quasilinear elliptic-type equations. I. Invariance with respect to Lie algebras with nontrivial Levi decomposition. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationLahno, V. I., S. V. Spichak, В. І Лато, and С. В Спічак. Group Classification of Quasilinear Elliptic-type Equations. I. Invariance with Respect to Lie Algebras with Nontrivial Levi Decomposition. Institute of Mathematics, NAS of Ukraine, 2007.
MLA (8th ed.) CitationLahno, V. I., et al. Group Classification of Quasilinear Elliptic-type Equations. I. Invariance with Respect to Lie Algebras with Nontrivial Levi Decomposition. Institute of Mathematics, NAS of Ukraine, 2007.
Warning: These citations may not always be 100% accurate.