Isotope uptake dynamics in the Ostwald ripening model of   recrystallization
  The article is withdrawn since we decided not to publish it in the present form but to divide it in two parts. One of these parts concerns the mathematical aspects of Return Radius calculation and the rewritten article is already available arXiv:1201.4492 The second part will discuss the modelling of the Isotope Uptake and is still in preparation 
Evgeny Lakshtanov and Leonid Lakshtanov
math-ph math.MP physics.chem-ph physics.geo-ph