- KEVIN HOUSTON, “AUGMENTATION OF SINGULARITIES OF SMOOTH MAPPINGS”, Int. J. Math., 15, № 02, 2004, 111
- JACQUES-ELIE FURTER, ANGELA MARIA SITTA, “NONDEGENERATE UMBILICS, THE PATH FORMULATION AND GRADIENT BIFURCATION PROBLEMS”, Int. J. Bifurcation Chaos, 19, № 09, 2009, 2965
- V. I. Arnol’d, A. B. Givental’, 4, Dynamical Systems IV, 1990, 1
- Eckhard Meinrenken, “Euler-like vector fields, normal forms, and isotropic embeddings”, Indagationes Mathematicae, 32, № 1, 2021, 224
- E. A. Kudryavtseva, M. V. Onufrienko, “Classification of Singularities of Smooth Functions with a Finite Cyclic Symmetry Group”, Russ. J. Math. Phys., 30, № 1, 2023, 76
- J. W. Bruce, W. L. Marar, “Images and varieties”, J Math Sci, 82, № 5, 1996, 3633
- Goo Ishikawa, “Generic bifurcations of framed curves in a space form and their envelopes”, Topology and its Applications, 159, № 2, 2012, 492
- David Rand, “On the local stability of wave fronts defined by eikonal equations”, Proceedings of the Royal Society of Edinburgh: Section A Mathematics, 85, № 3-4, 1980, 195
- J. W. Bruce, P. J. Giblin, “Generic Geometry”, The American Mathematical Monthly, 90, № 8, 1983, 529
- V. I. Arnol'd, “Lagrangian manifolds with singularities, asymptotic rays, and the open swallowtail”, Funct Anal Its Appl, 15, № 4, 1982, 235