The Free On-line Dictionary of Computing (30 December 2018):

LPG

   1. Linguaggio Procedure Grafiche (Italian for "Graphical
   Procedures Language").  dott. Gabriele Selmi.  Roughly a cross
   between Fortran and APL, with graphical-oriented extensions
   and several peculiarities.  Underlies the products of CAD.LAB
   Spa.  "Graphical Procedure Language User's Guide and Reference
   Manual", CAD.LAB, Bologna, Italy, 1989, order code GO89/9.

   2. Langage de Programmation Generique.  An applicative
   language, both specification and functional.  Special emphasis
   on parametrised declarations.  "Design and Implementation of a
   Generic, Logic and Functional Programming Language", D. Bert
   et al, ESOP 86, LNCS 213, Springer 1986.