instanton
1981 / QCD and instantons at finite temperature / David J. Gross ; Robert D. Pisarski ; Laurence G. Yaffe / Reviews of Modern Physics 53 (1981) p. 43 [doi]
1997 / The QCD vacuum as an instanton liquid / E. Shuryak ; T. Schäfer / Annual Review of Nuclear and Particle Science 47 (1997) p. 359 [doi]
1998 / Instantons in QCD / T. Schäfer ; E. V. Shuryak / Reviews of Modern Physics 70 (1998) p. 323 [doi]
2002 / The calculus of many instantons / Nick Dorey ; Timothy J. Hollowood ; Valentin V. Khoze ; Michael P. Mattis / Physics Reports 371 (2002) p. 231 [doi]