MathSciNet bibliographic data MR1352337 81T18 (57M25 81-04 81T15 81T80) Broadhurst, D. J.; Kreimer, D. Knots and numbers in $\phi^4$$\phi^4$ theory to $7$$7$ loops and beyond. Internat. J. Modern Phys. C 6 (1995), no. 4, 519–524. Article

For users without a MathSciNet license , Relay Station allows linking from MR numbers in online mathematical literature directly to electronic journals and original articles. Subscribers receive the added value of full MathSciNet reviews.