1. Arnold VI (2006) Statiska i klassifikatsiya topologii periodicheskykh funktsii i trigonometricheskykh mnogochlenov (Statistics and classification of the topology of periodic functions and of trigonometric polynomials). Trudy Inst Mat Mekh UrO RAN 12(1):15–24
2. Arnold VI (2007) Topological classification of trigonometric polynomials related to the affine Coxeter group A 2. Proc Steklov Inst Math 258:3–12
3. Nicolaescu LI (2005) Counting Morse functions on the 2-sphere. arXiv.org/math/0512496v2 [math.GT]. Cited 25 Dec 2005
4. Nicolaescu LI (2006) Morse functions statistics. Funct Anal Other Math 1(1):85–91
5. Arnold VI (2006) Experimental’noe nablyudenie matematicheskikh faktov (Experimental discovery of mathematical facts). Moscow Center for Continuous Mathematical Education, Moscow