1. Adhikari, S.D.: Aspects of Combinatorics and Combinatorial Number Theory. Narosa, New Delhi (2002)
2. Adhikari, S.D.: An extremal problem in combinatorial number theory. In: Berndt, B.C., Prasad, D (eds.) Proceedings of an International Conference in Celebration of the 125th Anniversary of Ramanujan’s Birth; University of Delhi, 17-22 December 2012, (Ramanujan Mathematical Society Lecture Notes Series, Number 20, 2013), pp. 1–11
3. Adhikari, S.D., Balasubramanian, R., Pappalardi F., Rath, P.: Some zero-sum constants with weights. Proc. Indian Acad. Sci. (Math. Sci.) 118, 183–188 (2008)
4. Adhikari, S.D., Balasubramanian, R., Rath, P.: Some combinatorial group invariants and their generalizations with weights. In: Granville, A., Nathanson, M.B., Solymosi, J. (eds.) Additive combinatorics, (CRM Proceedings and Lecture Notes, vol. 43, Am. Math. Soc., Providence, RI, 2007), pp. 327–335
5. Adhikari, S.D., Chen, Y.G.: Davenport constant with weights and some related questions - II. J. Comb. Theory Ser. A 115, 178–184 (2008)